Compilare: main.cpp: In function 'int backtr(int)': main.cpp:42:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 42 | if(eSol(k)) if(ok(k)) nrsol++; //afis(k); | ^ main.cpp:46:1: warning: no return statement in function returning non-void [-Wreturn-type] 46 | } | ^ main.cpp:39:5: warning: infinite recursion detected [-Winfinite-recursion] 39 | int backtr(int k){ | ^~~~~~ main.cpp:43:20: note: recursive call 43 | else backtr(k+1); | ~~~~~~^~~~~